CVE-2021-30851
CVSS V2 Medium 6.8
CVSS V3 High 8.8
Description
A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution.
Overview
- CVE ID
- CVE-2021-30851
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-08-24T19:15:13
- Last Modified Date
- 2023-01-09T16:41:59
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | 1 | OR | 15.0 | |
| cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* | 1 | OR | 15.0 | |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | 1 | OR | 15.0 | |
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | 1 | OR | 12.0.1 | |
| cpe:2.3:o:apple:macos:12.0.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | 1 | OR | 15.0 | |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | 1 | OR | 8.0 | |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://support.apple.com/en-us/HT212814 | Vendor Advisory |
| https://support.apple.com/en-us/HT212815 | Vendor Advisory |
| https://support.apple.com/en-us/HT212816 | Vendor Advisory |
| https://support.apple.com/en-us/HT212819 | Vendor Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/ | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2021/10/31/1 | Mailing List Third Party Advisory |
| https://www.debian.org/security/2021/dsa-4996 | Third Party Advisory |
| https://www.debian.org/security/2021/dsa-4995 | Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/ | Mailing List Third Party Advisory |
| https://support.apple.com/kb/HT212869 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-30851 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30851 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:45:10 | Added to TrackCVE | |||
| 2022-12-05 08:51:34 | 2021-08-24T19:15Z | 2021-08-24T19:15:13 | CVE Published Date | updated |
| 2022-12-05 08:51:34 | 2021-11-23T21:44:36 | CVE Modified Date | updated | |
| 2022-12-05 08:51:34 | Analyzed | Vulnerability Status | updated | |
| 2023-01-09 17:14:06 | 2023-01-09T16:41:59 | CVE Modified Date | updated |